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Bioscientist : Jurnal Ilmiah Biologi
Published by Universitas Pendidikan Mandalika
ISSN : 23385006     EISSN : 26544571     DOI : https://doi.org/10.33394
Core Subject : Science, Education, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Social Sciences
Bioscientist : Jurnal Ilmiah Biologi (BJIB), receiving and publishing article in the form of research (scientific article) in the field of biology education and utilization of biological research in learning. Moreover, this journal bridges the gap between research and practice, providing information, ideas and opinion, in addition to critical examinations of biology research and teaching. Through the coverage of policy and curriculum developments, the latest results of research into the teaching, learning and assessment of biology are brought to the fore. Special emphasize are as follow: 1. Research on Learning Biology (Biology Learning Materials at All Education Levels). 2. Pure Research of Biology Developed or Studied to the Sources, Materials, or Instructional Media Biology (Biology Learning Materials at All Education Levels and Application in Society). 3. Curriculum of Biology Education at all Education Levels. 4. Class Action Research (CAR) and Lesson Study in Biology. 5. Other Qualitative Research of Biology Education. 6. The School Management and Biology/Science Laboratory Management. 7. Biology Learning Evaluation. 8. Teacher Professional Issues/Trends in Biology Education. 9. Another Study for the Scope of Biology Education. 10. Research on Environmental Education.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 46 Documents
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Search results for , issue "Vol. 14 No. 1 (2026): March" : 46 Documents clear
Potential of Basil Seed (Ocimum basilicum) Simplicia as a Feed Supplement on the Histomorphometry and Muscle Damage of African Catfish (Clarias gariepinus) Exposed to Polystyrene Microplastics Iga Novianti; Nurul Suwartiningsih
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 1 (2026): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i1.19297

Abstract

This study aimed to evaluate the potential of basil seed simplicia supplementation in feed to mitigate histomorphometric alterations and muscle damage in African catfish (Clarias gariepinus) exposed to polystyrene (PS) microplastics. The experiment employed a Completely Randomized Design (CRD) consisting of five treatments: C (0 mg/L PS microplastics + 0% basil seed simplicia), PC (0 mg/L PS microplastics + 2% basil seed simplicia), NC (100 mg/L PS microplastics + 0% basil seed simplicia), T1 (100 mg/L PS microplastics + 2% basil seed simplicia), and T2 (100 mg/L PS microplastics + 4% basil seed simplicia). A total of 125 catfish were exposed to microplastics for 15 days. The observed parameters included myofiber diameter, myofiber area, muscle degeneration, and necrosis. The results indicated that exposure to PS microplastics significantly decreased myofiber diameter and area while increasing the levels of muscle cell degeneration and necrosis (P < 0.05). Supplementation with 2% basil seed simplicia (T1) significantly improved myofiber diameter and area and reduced muscle degeneration and necrosis compared with the negative control (NC), whereas supplementation with 4% basil seed simplicia (T2) showed relatively lower effectiveness. These findings suggest that supplementation of 2% basil seed simplicia in feed has the potential to mitigate histomorphometric alterations and muscle tissue damage in catfish exposed to polystyrene microplastics.
The Utilization of the PlantNet Application in Biology Learning and Its Impact on Senior High School Students’ Learning Retention Sepriana; Ika Chastanti; Rahmi Nazliah
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 1 (2026): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i1.19466

Abstract

This study aimed to determine students’ retention levels before and after the implementation of the PlantNet application and to analyze the effect of the PlantNet application on students’ retention in biology learning at SMA Negeri 1 Aek Natas. The study employed a quantitative approach with descriptive analysis. The research participants consisted of 61 tenth-grade students, including 31 students from class X2 and 30 students from class X3. The research instruments included a questionnaire measuring students’ perceptions of the use of the PlantNet application and a retention test designed to assess short-term retention, long-term retention, and conceptual understanding. The collected data were analyzed using percentage analysis to determine the achievement level of each indicator.The results indicated that the use of the PlantNet application was categorized as very good, with the ease-of-use indicator reaching 91.7% and the usefulness in learning indicator reaching 88.8%. Regarding student retention, short-term retention reached 83.4%, long-term retention reached 84.2%, and conceptual understanding reached 84.6%, all of which were classified as good. These findings suggest that the PlantNet application is not only easy to use and beneficial for biology learning but also contributes to strengthening students’ memory retention and improving their conceptual understanding of the learning material. Therefore, the integration of the PlantNet application has strong potential to serve as an effective instructional medium for enhancing students’ retention in biology learning.
The Effect of Liquid Organic Fertilizer Derived from Goat Manure and Banana Peel on the Growth of Pakcoy (Brassica rapa L.) Cultivated Using a Hydroponic System Sania Nabila; M. Idris
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 1 (2026): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i1.19642

Abstract

This study aimed to examine the effects of liquid organic fertilizer (LOF) derived from goat manure and banana peels, applied either individually or in combination, on the growth and yield of pakcoy (Brassica rapa L.) cultivated in a hydroponic system as an alternative to the conventional AB mix nutrient solution. The experiment was conducted using a Randomized Block Design) with two treatment factors: goat manure LOF concentrations (0 ml, 30 ml, and 60 ml) and banana peel LOF concentrations (0 ml, 20 ml, and 30 ml). The observed parameters included number of leaves, plant height, leaf width, root length, and fresh weight. Data were analyzed using analysis of variance (ANOVA), followed by Duncan’s Multiple Range Test at a 5% significance level to determine differences among treatments. The results showed that the best single treatment was obtained from the application of 30 ml banana peel LOF at 4 weeks after planting (WAP). Moreover, the combined treatment of 60 ml goat manure LOF and 30 ml banana peel LOF (P2K2) produced the highest and significantly superior results across all observed parameters at 4 WAP, particularly in leaf number, plant height, root length, and fresh weight. These findings indicate that the combined application of banana peel and goat manure LOF effectively enhances the growth and yield of hydroponically cultivated pakcoy. Therefore, this organic fertilizer combination has strong potential to serve as a more economical and environmentally friendly alternative nutrient source for hydroponic cultivation systems.
Inventory of Medicinal Plants Used by the Community of Rano Village, Balaesang Tanjung District, and Their Potential as Biology Learning Media Nunink; I Nengah Kundera; I Made Budiarsa; Musdalifah Nurdin; Vita Indri Febriani; Masrianih
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 1 (2026): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i1.19643

Abstract

This study aims to inventory the plant species utilized by the local community as medicinal resources in Rano Village, Balaesang Tanjung Sub-district, and to examine their potential use as instructional learning media. The study employed a descriptive research design with a qualitative approach. Primary data were collected directly through interviews and field observations using a survey method with purposive sampling. Data collection techniques included direct observation, community interviews, and documentation of field findings. In the local context, a traditional healer (sando) plays a significant role as a key informant due to their extensive knowledge regarding the identification and use of medicinal plants. The results of the study revealed that the community utilizes 22 species of medicinal plants belonging to 14 plant families to treat various ailments, including rheumatism, asthma, hypertension, itching, scabies, cough, influenza, and several other health conditions. The plant parts used include leaves, stems, fruits, roots, bark, shoots, sap, and in some cases the entire plant. The preparation and utilization methods commonly practiced by the community include pounding, boiling, topical application, and direct consumption. Based on these findings, the documented information on medicinal plant utilization has strong potential to be developed as instructional media in the form of an educational e-book to support biology learning.
Identification of Medicinal Plant Species Utilized by the Community of Tindaki Village, South Parigi District Risnila Sari; Lestari M.P Alibasyah; Vita Indri Febriani; Aan Febriawan; Musdalifah Nurdin; Lilies
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 1 (2026): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i1.19664

Abstract

This study aims to identify and describe the diversity of medicinal plants utilized by the community of Tindaki Village, South Parigi District, and to document their scientific names, morphological characteristics, plant parts used, and methods of preparation. The research employed a descriptive design with a qualitative approach using exploratory techniques. Data were collected through direct field observations conducted in six hamlets, structured interviews with ten informants consisting of five key informants and five supporting informants, and field documentation. Species identification was carried out through detailed observations of morphological characteristics, including roots, stems, leaves, flowers, and fruits. The identification results were subsequently verified using relevant scientific literature to ensure taxonomic accuracy. The findings revealed a total of 34 medicinal plant species belonging to 23 families and 18 orders. The plant parts most commonly utilized by the community were leaves and rhizomes, followed by fruits, roots, stems, and sap. These plants are traditionally used to treat various health conditions, including fever, cough, diarrhea, diabetes, hypertension, kidney stones, digestive disorders, and skin diseases. In conclusion, the results indicate that Tindaki Village possesses a high diversity of medicinal plants that continue to be actively utilized by the local community. Therefore, sustained conservation and systematic documentation efforts are essential to preserve this valuable ethnobotanical knowledge for future generations.
The Effect of Color and Photoperiod on Body Coloration and Growth of Juvenile Redclaw Crayfish (Cherax quadricarinatus) Muhammad Ibnu Sina; Syukriah
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 1 (2026): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i1.19684

Abstract

This study aimed to determine the effects of light color and photoperiod on body coloration and growth performance of juvenile redclaw crayfish (Cherax quadricarinatus). A total of 144 juvenile crayfish were used in an experimental design consisting of six treatments based on two light colors (red and white LEDs) and three photoperiod regimes (6, 12, and 18 hours). The observed parameters included growth performance, survival rate, and changes in body coloration. The results showed that (1) red LED treatment with a 6-hour photoperiod produced the most optimal growth, whereas the 18-hour photoperiod treatment induced stress that led to reduced growth performance; (2) red LED treatments resulted in higher survival rates compared to white LED treatments; and (3) photoperiod significantly influenced changes in body coloration, with juveniles exhibiting blue and brown pigmentation. In conclusion, photoperiod affects affected the growth of juvenile crayfish, with red LED exposure for 6 hours representing representing the optimal condition. Differences in light color contribute to improved survival rates contributed to higher survival rates, while photoperiod plays a role in influencing body color changes played an important role in influencing changes in body coloration.
Comparison of the Growth and Development of Green Spinach (Amaranthus hybridus L.) under Soil Conditions from the Java and Kalimantan Regions Riannisa'a Shafira; Fitria Alfiyah Hastuari; Anindya Aulya Andayani; Rofina Mbale Role; Meti Indrowati
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 1 (2026): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i1.19533

Abstract

This study aimed to compare the growth of green spinach (Amaranthus hybridus L.) cultivated in two different soil types originating from Java and Kalimantan, and to examine the effect of soil pH on plant height. The experiment was conducted over a 21-day period (3–24 November 2025) using a comparative experimental design with a total of eight samples, consisting of four plants in each treatment group. The parameters observed included soil pH, plant height, number of leaves, leaf width, and leaf color. Environmental variables—such as light intensity, water volume, pot size, and seed quantity—were controlled to ensure consistent experimental conditions. The data were analyzed using statistical assumption tests, including the Shapiro–Wilk normality test and Levene’s homogeneity test, followed by linear regression analysis and analysis of covariance (ANCOVA). The results indicated that the data were normally distributed (p = 0.328) and homogeneous (p = 0.575). Regression analysis showed that soil pH had a significant effect on plant height (p = 0.026), whereas soil type did not have a significant effect after controlling for soil pH (ANCOVA, p = 0.089). The mean difference in plant height between soils from Java and Kalimantan was 2.90 cm; however, this difference was not statistically significant. These findings suggest that the growth of green spinach—particularly plant height—is more strongly influenced by environmental factors, especially soil pH, than by differences in soil origin.
The Characteristics of the Thinking Scale of Class X Students on the Water Cycle Material Devi Oktaviani Safitri; Azizul Ghofar Candra Wicaksono; Prasetiyo
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 1 (2026): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i1.19698

Abstract

This study aims to describe the characteristics of the systems thinking abilities of Class X students in the water cycle material across the cognitive and affective domains. The research uses a quantitative descriptive approach with a survey method. The research  sample consis of 80 Class X students from SMA Negeri 10 Semarang, selected through purposive sampling. The research instruments included a multiple-choice test to measure systems thinking abilities in the cognitive domain and attitude questionnaires to measure the affective domain. The instruments were developed based on a hierarchical systems thinking framework and a systems thinking scale. The data were analyzed descriptively and tested using the Pearson Product Moment correlation. The results show that the cognitive domain systems thinking abilities are in the high category, particularly at the analysis level, where more than 70% of students reached the high category, while the synthesis and implementation levels are in the moderate category. The affective systems thinking abilities are generally in the moderate category, with percentages ranging from 52.50% to 81.25%. There is a very strong and significant relationship between the cognitive and affective domains at the same level is considered low to moderate.These findings highlight the need for more context-rich integrative learning to optimize students’ systems thinking abilities.
Degradation of Mangrove Ecosystems in Banyuasin Regency, South Sumatra: Extent of Damage, Causes, and Ecological Impacts Ali Mahmudi; Bakri; Rozirwan; Ridhah Taqwa
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 1 (2026): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i1.19713

Abstract

This study aims to examine the scale of damage, identify the contributing factors, and analyze the resulting ecological impacts. The research employed a qualitative descriptive approach through field observations, interviews with coastal communities, and a literature review. Observations were conducted to assess the biophysical condition of mangroves, including vegetation density, stand structure, species composition, and indicators of degradation. Interviews were used to gather information on mangrove utilization activities, socio-economic pressures, and community perceptions of environmental change. The literature review supported the interpretation of field findings within the context of regional and global mangrove dynamics. The results indicate that mangrove degradation in Banyuasin is driven by a complex interaction between anthropogenic factors—particularly land conversion, resource exploitation, and coastal development—and natural factors such as abrasion, sedimentation, and tidal flooding. The identified ecological impacts include a decline in coastal protection functions, reduced habitat quality for coastal biota, and decreased carbon storage capacity. The conclusion of this study emphasizes the need for an integrated coastal management strategy that incorporates ecologically appropriate rehabilitation, strengthened governance, and community participation in order to sustainably enhance the resilience of mangrove ecosystems.
Potential of the Fungus Beauveria bassiana (Balsamo) Vuillemin (Hypocreales: Cordycipitaceae) as an Endophytic Fungus for the Growth of Yardlong Bean (Vigna sinensis L.) Muhammad Raihan Naufal; Ramadhani Mahendra Kusuma; Arika Purnawati
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 1 (2026): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i1.19725

Abstract

The main objective was to determine the effectiveness of this technique in establishing endophytic colonies and its impact on plant vegetative growth. The experiment was conducted in the laboratory and greenhouse using a Completely Randomized Design (CRD) approach. We tested four levels of conidial density: control (no conidia), 1×10⁶, 1×10⁷, and 1×10⁸ conidia per mL, with each replicated five times. Parameters we observed included root and stem colonization success, plant height, and leaf number. Data were analyzed using ANOVA followed by a HSD test at the 5% level. The results showed that B. bassiana is able to enter and develop internally within root and stem tissues. Interestingly, the highest colonization occurred at the lowest concentration (1×10⁶ conidia per mL), with 83.3% in roots and 66.7% in stems. Although statistically, differences in concentration did not always have a significant effect on plant height and leaf number, numerically, inoculated plants showed better growth than controls, especially at 28 days after planting. From these findings, we conclude that soil application of B. bassiana is quite effective in establishing endophytic colonies without disrupting vegetative growth. In other words, this method is worth considering as part of a more environmentally friendly and sustainable pest management strategy.

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